diff --git a/pkgs/applications/editors/mg/default.nix b/pkgs/applications/editors/mg/default.nix
index c6f014238ea7..8545be13e3b9 100644
--- a/pkgs/applications/editors/mg/default.nix
+++ b/pkgs/applications/editors/mg/default.nix
@@ -11,6 +11,10 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-qnb0yB/NNJV257dsLmP84brajoRG03U+Ja1ACYbBvbE=";
   };
 
+  postPatch = lib.optionalString (stdenv.buildPlatform != stdenv.hostPlatform) ''
+    substituteInPlace configure --replace "./conftest" "echo"
+  '';
+
   enableParallelBuilding = true;
 
   makeFlags = [ "PKG_CONFIG=${buildPackages.pkg-config}/bin/${buildPackages.pkg-config.targetPrefix}pkg-config" ];
diff --git a/pkgs/applications/editors/oed/default.nix b/pkgs/applications/editors/oed/default.nix
index 2281ca8c08b3..f4012220c50d 100644
--- a/pkgs/applications/editors/oed/default.nix
+++ b/pkgs/applications/editors/oed/default.nix
@@ -14,6 +14,15 @@ stdenv.mkDerivation rec {
     hash = "sha256-Z8B1RIFve3UPj+9G/WJX0BNc2ynG/qtoGfoesarYGz8=";
   };
 
+  postPatch = lib.optionalString (stdenv.buildPlatform != stdenv.hostPlatform) ''
+    substituteInPlace configure --replace "./conftest" "echo"
+  '';
+
+  installPhase = ''
+    install -m755 -Dt $out/bin ed
+    install -m644 -Dt $out/share/man/man1 ed.1
+  '';
+
   meta = with lib; {
     homepage = "https://github.com/ibara/oed";
     description = "Portable ed editor from OpenBSD";
diff --git a/pkgs/shells/oksh/default.nix b/pkgs/shells/oksh/default.nix
index 9ea851adbbf6..418a453d9e9a 100644
--- a/pkgs/shells/oksh/default.nix
+++ b/pkgs/shells/oksh/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub }:
+{ stdenv, lib, fetchFromGitHub, buildPackages }:
 
 stdenv.mkDerivation rec {
   pname = "oksh";
@@ -11,6 +11,12 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-076nD0aPps6n5qkR3LQJ6Kn2g3mkov+/M0qSvxNLZ6o=";
   };
 
+  postPatch = lib.optionalString (stdenv.buildPlatform != stdenv.hostPlatform) ''
+    substituteInPlace configure --replace "./conftest" "echo"
+  '';
+
+  configureFlags = [ "--no-strip" ];
+
   meta = with lib; {
     description = "Portable OpenBSD ksh, based on the Public Domain Korn Shell (pdksh)";
     homepage = "https://github.com/ibara/oksh";